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Carbide Deep Hole Drill

AlTiSiN Coated Deep Hole Drill Bits 20D Carbide Drill Bits For Steel

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AlTiSiN Coated Deep Hole Drill Bits 20D Carbide Drill Bits For Steel

Brand Name:	AMG
Model Number:	DIN-20D
MOQ:	3-10PCS
Packaging Details:	Plastic tube
Payment Terms:	T/T/Credit Card

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Certification:

ISO9001

Name:

Deep Hole Drill Bits

Material:

Carbide

Precision:

M7 Or Customized

Type:

Deep Hole Drilling

Diameter:

4-32mm

Overall Length:

50-400mm

Helix:

30°/45°

Coolant Method:

Inner Coolant

Application:

Cast Iron, Steel, Stainless Steel, Etc

Supply Ability:

30000-100000pcs per month

Highlight:

AlTiSiN Coated Deep Hole Drill Bits

Deep Hole Drill Bits 20D

20D Carbide Drill Bits For Steel

Product Description

AlTiSiN Coated Deep Hole Drill Bits 20D Carbide Drill Bits For Steel

Attribute	Value
Name	Deep Hole Drill Bits
Material	Carbide
Precision	m7 or customized
Type	Deep hole drilling
Diameter	4-32mm
Overall length	50-400mm
Helix	30°/45°
Coolant method	Inner coolant
Application	Cast iron, steel, stainless steel, etc

Precision-engineered 20D Carbide Deep Hole Drill with AlTiSiN Coating

Designed for extreme-depth drilling (20× diameter) in carbon steel, alloy steel, and stainless steel. These drills combine ultra-fine grain carbide with advanced coolant-through technology for unmatched stability, efficient chip evacuation, and exceptional tool life in demanding industrial applications.

Key Features

20D Depth Ratio - Reliable performance for deep-hole drilling (up to 20 × diameter)
Optimized Geometry - Parabolic flutes with split-point design for reduced thrust force and chip clogging
High-Pressure Coolant Channels - Internal coolant holes (dual/triple) for effective heat and chip removal
Wear-Resistant Coating - AlTiSiN/AlCrN coatings for enhanced heat resistance (up to 900°C)
Rigid Shank Design - Precision-ground tolerance (h6) for minimal runout

Performance Advantages

30% longer tool life vs. conventional carbide drills
Superior hole straightness (±0.1mm/100mm)
Reduced cycle time with aggressive feeds (up to 0.3mm/rev)

Typical Applications

Oil & gas - Valve bodies, drilling components
Automotive - Transmission shafts, hydraulic cylinders
Mold making - Ejection pin holes, coolant channels
Energy - Turbine blades, boiler tubes

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Address

NO. 24-2 Lingshan Middle Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu, China

Tel

86--17368153006

E-mail

grace@carbide-drill.com

AMG-TOOLS

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